+++ /dev/null
-/* Definitions of target machine for GNU compiler.
- AT&T UNIX PC version (pc7300, 3b1)
- Copyright (C) 1987, 1993, 1996, 1999, 2000 Free Software Foundation, Inc.
- Contributed by Alex Crain (alex@umbc3.umd.edu).
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define SGS_SWITCH_TABLES /* Different switch table handling */
-
-#include "m68k/hp320.h"
-
-/* See m68k.h. 0 means 680[01]0 with no 68881. */
-
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT 0
-
-/* Don't try using XFmode. */
-#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE 64
-
-/* -m68020 requires special flags to the assembler. */
-
-#undef ASM_SPEC
-#define ASM_SPEC "%{m68020:-68020}%{!m68020:-68010} %{m68881:-68881}"
-
-/* we use /lib/libp/lib* when profiling */
-
-#undef LIB_SPEC
-#define LIB_SPEC "%{!shlib:%{p:-L/lib/libp} %{pg:-L/lib/libp} -lc}"
-
-/* shared libraries need to use crt0s.o */
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
- %{shlib:crt0s.o%s shlib.ifile%s} "
-
-/* cpp has to support a #sccs directive for the /usr/include files */
-
-#define SCCS_DIRECTIVE
-
-/* Make output for SDB. */
-
-#define SDB_DEBUGGING_INFO
-
-/* The .file command should always begin the output. */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-output_file_directive ((FILE), main_input_filename)
-
-/* Define __HAVE_68881__ in preprocessor if -m68881 is specified.
- This will control the use of inline 68881 insns in certain macros. */
-
-#undef CPP_SPEC
-#define CPP_SPEC "%{m68881:-D__HAVE_68881__}"
-
-/* Names to predefine in the preprocessor for this target machine. */
-/* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here. */
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc -D__motorola__ -Asystem=unix -Asystem=svr3 -Acpu=m68k -Amachine=m68k"
-
-#undef REGISTER_NAMES
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \
- "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7"}
-
-/* Specify how to pad function arguments.
- Value should be `upward', `downward' or `none'.
- Same as the default, except no padding for large or variable-size args. */
-
-#define FUNCTION_ARG_PADDING(MODE, TYPE) \
- (((MODE) == BLKmode \
- ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
- && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \
- : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
- ? downward : none)
-
-/* The 3b1 does not have `atexit'. */
-
-#define NEED_ATEXIT
-
-/* Override parts of m68k.h to fit the SGS-3b1 assembler. */
-
-#undef TARGET_VERSION
-#undef ASM_FORMAT_PRIVATE_NAME
-#undef ASM_OUTPUT_ALIGN
-#undef ASM_OUTPUT_SOURCE_FILENAME
-#undef ASM_OUTPUT_SOURCE_LINE
-#undef PRINT_OPERAND_ADDRESS
-#undef ASM_GENERATE_INTERNAL_LABEL
-#undef FUNCTION_PROFILER
-#undef ASM_OUTPUT_ADDR_VEC_ELT
-#undef ASM_OUTPUT_ADDR_DIFF_ELT
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#undef ASM_OUTPUT_OPCODE
-#undef ASM_OUTPUT_LOCAL
-#undef USER_LABEL_PREFIX
-#undef ASM_OUTPUT_ASCII
-
-#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T unixpc syntax)");
-
-/* Store in OUTPUT a string (made with alloca) containing
- an assembler-name for a local static variable named NAME.
- LABELNO is an integer which is different for each call. */
-
-#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
-( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
- sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))
-
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
-do { \
- if ((LOG) == 1) \
- fprintf (FILE, "\teven\n"); \
- else if ((LOG) != 0) \
- abort (); \
-} while (0)
-
-/* This is how to output an assembler line
- that says to advance the location counter by SIZE bytes. */
-
-#undef ASM_OUTPUT_SKIP
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\tspace %d\n", (SIZE))
-
-/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
-
-#define ASM_NO_SKIP_IN_TEXT 1
-
-/* The beginnings of sdb support... */
-
-#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
- do { fprintf (FILE, "\tfile\t"); \
- output_quoted_string (FILE, FILENAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
- fprintf (FILE, "\tln\t%d\n", \
- (sdb_begin_function_line \
- ? (LINENO) - sdb_begin_function_line : 1))
-
-/* Yet another null terminated string format. */
-
-#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
- do { register size_t sp = 0, lp = 0, limit = (LEN); \
- fprintf ((FILE), "\tbyte\t"); \
- loop: \
- if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
- { lp += 3; \
- fprintf ((FILE), "'%c", (PTR)[sp]); } \
- else \
- { lp += 5; \
- fprintf ((FILE), "0x%x", (PTR)[sp]); } \
- if (++sp < limit) \
- { if (lp > 60) \
- { lp = 0; \
- fprintf ((FILE), "\n%s", ASCII_DATA_ASM_OP); } \
- else \
- putc (',', (FILE)); \
- goto loop; } \
- putc ('\n', (FILE)); } while (0)
-
-/* Note that in the case of the movhi which fetches an element of
- an ADDR_DIFF_VEC the offset output is too large by 2.
- This is because the 3b1 assembler refuses to subtract 2.
- ASM_OUTPUT_CASE_LABEL, below, compensates for this. */
-
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
-{ register rtx reg1, reg2, breg, ireg; \
- register rtx addr = ADDR; \
- rtx offset; \
- switch (GET_CODE (addr)) \
- { \
- case REG: \
- fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
- break; \
- case PRE_DEC: \
- fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
- break; \
- case POST_INC: \
- fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
- break; \
- case PLUS: \
- reg1 = 0; reg2 = 0; \
- ireg = 0; breg = 0; \
- offset = 0; \
- if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
- { \
- offset = XEXP (addr, 0); \
- addr = XEXP (addr, 1); \
- } \
- else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
- { \
- offset = XEXP (addr, 1); \
- addr = XEXP (addr, 0); \
- } \
- if (GET_CODE (addr) != PLUS) ; \
- else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
- { \
- reg1 = XEXP (addr, 0); \
- addr = XEXP (addr, 1); \
- } \
- else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
- { \
- reg1 = XEXP (addr, 1); \
- addr = XEXP (addr, 0); \
- } \
- else if (GET_CODE (XEXP (addr, 0)) == MULT) \
- { \
- reg1 = XEXP (addr, 0); \
- addr = XEXP (addr, 1); \
- } \
- else if (GET_CODE (XEXP (addr, 1)) == MULT) \
- { \
- reg1 = XEXP (addr, 1); \
- addr = XEXP (addr, 0); \
- } \
- else if (GET_CODE (XEXP (addr, 0)) == REG) \
- { \
- reg1 = XEXP (addr, 0); \
- addr = XEXP (addr, 1); \
- } \
- else if (GET_CODE (XEXP (addr, 1)) == REG) \
- { \
- reg1 = XEXP (addr, 1); \
- addr = XEXP (addr, 0); \
- } \
- if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
- || GET_CODE (addr) == SIGN_EXTEND) \
- { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
-/* for OLD_INDEXING \
- else if (GET_CODE (addr) == PLUS) \
- { \
- if (GET_CODE (XEXP (addr, 0)) == REG) \
- { \
- reg2 = XEXP (addr, 0); \
- addr = XEXP (addr, 1); \
- } \
- else if (GET_CODE (XEXP (addr, 1)) == REG) \
- { \
- reg2 = XEXP (addr, 1); \
- addr = XEXP (addr, 0); \
- } \
- } \
- */ \
- if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
- if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
- || GET_CODE (reg1) == MULT)) \
- || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
- { breg = reg2; ireg = reg1; } \
- else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
- { breg = reg1; ireg = reg2; } \
- if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
- { int scale = 1; \
- if (GET_CODE (ireg) == MULT) \
- { scale = INTVAL (XEXP (ireg, 1)); \
- ireg = XEXP (ireg, 0); } \
- if (GET_CODE (ireg) == SIGN_EXTEND) \
- fprintf (FILE, "LD%%%d(%%pc,%s.w", \
- CODE_LABEL_NUMBER (XEXP (addr, 0)), \
- reg_names[REGNO (XEXP (ireg, 0))]); \
- else \
- fprintf (FILE, "LD%%%d(%%pc,%s.l", \
- CODE_LABEL_NUMBER (XEXP (addr, 0)), \
- reg_names[REGNO (ireg)]); \
- if (scale != 1) fprintf (FILE, "*%d", scale); \
- fprintf (FILE, ")"); \
- break; } \
- if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \
- { fprintf (FILE, "LD%%%d(%%pc,%s.l", \
- CODE_LABEL_NUMBER (XEXP (addr, 0)), \
- reg_names[REGNO (breg)]); \
- putc (')', FILE); \
- break; } \
- if (ireg != 0 || breg != 0) \
- { int scale = 1; \
- if (breg == 0) \
- abort (); \
- if (addr != 0) \
- output_addr_const (FILE, addr); \
- fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
- if (ireg != 0) \
- putc (',', FILE); \
- if (ireg != 0 && GET_CODE (ireg) == MULT) \
- { scale = INTVAL (XEXP (ireg, 1)); \
- ireg = XEXP (ireg, 0); } \
- if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
- fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
- else if (ireg != 0) \
- fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
- if (scale != 1) fprintf (FILE, "*%d", scale); \
- putc (')', FILE); \
- break; \
- } \
- else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
- { fprintf (FILE, "LD%%%d(%%pc,%s.w)", \
- CODE_LABEL_NUMBER (XEXP (addr, 0)), \
- reg_names[REGNO (reg1)]); \
- break; } \
- default: \
- if (GET_CODE (addr) == CONST_INT \
- && INTVAL (addr) < 0x8000 \
- && INTVAL (addr) >= -0x8000) \
- fprintf (FILE, "%d", INTVAL (addr)); \
- else \
- output_addr_const (FILE, addr); \
- }}
-
-#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
- sprintf ((LABEL), "%s%%%ld", (PREFIX), (long)(NUM))
-
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, "%s%%%d:\n", PREFIX, NUM)
-
-/* Must put address in %a0 , not %d0 . -- LGM, 7/15/88 */
-#define FUNCTION_PROFILER(FILE, LABEL_NO) \
- fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount\n", (LABEL_NO))
-
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
- fprintf (FILE, "\tlong L%%%d\n", (VALUE))
-
-#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
- fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
-
-/* ihnp4!lmayk!lgm says that `short 0' triggers assembler bug;
- `short L%nn-L%nn' supposedly works. */
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
- if (! RTX_INTEGRATED_P (TABLE)) \
- fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
- XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
- else \
- fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n\tshort %s%%%d-%s%%%d\n", \
- XVECLEN (PATTERN (TABLE), 1) + 1, (PREFIX), (NUM), \
- (PREFIX), (NUM), (PREFIX), (NUM))
-
-/* At end of a switch table, define LDnnn iff the symbol LInnn was defined.
- Some SGS assemblers have a bug such that "Lnnn-LInnn-2.b(pc,d0.l*2)"
- fails to assemble. Luckily "LDnnn(pc,d0.l*2)" produces the results
- we want. This difference can be accommodated by making the assembler
- define such "LDnnn" to be either "Lnnn-LInnn-2.b", "Lnnn", or any other
- string, as necessary. This is accomplished via the ASM_OUTPUT_CASE_END
- macro. */
-
-#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
-{ if (switch_table_difference_label_flag) \
- fprintf (FILE, "\tset LD%%%d,L%%%d-LI%%%d\n", (NUM), (NUM), (NUM)); \
- switch_table_difference_label_flag = 0; }
-
-int switch_table_difference_label_flag;
-
-#define ASM_OUTPUT_OPCODE(FILE, PTR) \
-{ if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
- { ++(PTR); \
- while (*(PTR) != ' ') \
- { putc (*(PTR), (FILE)); ++(PTR); } \
- fprintf ((FILE), ".w"); } \
- else if ((PTR)[0] == 's') \
- { \
- if (!strncmp ((PTR), "swap", 4)) \
- { fprintf ((FILE), "swap.w"); (PTR) += 4; } \
- } \
- else if ((PTR)[0] == 'f') \
- { \
- if (!strncmp ((PTR), "fmove", 5)) \
- { fprintf ((FILE), "fmov"); (PTR) += 5; } \
- else if (!strncmp ((PTR), "fbne", 4)) \
- { fprintf ((FILE), "fbneq"); (PTR) += 4; } \
- } \
-/* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \
- else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
- && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
- { fprintf ((FILE), "mov"); (PTR) += 4; \
- if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \
- || (PTR)[0] == 'c') (PTR)++; } \
-/* SUB, SUBQ, SUBA, SUBI ==> SUB */ \
- else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \
- && (PTR)[2] == 'b') \
- { fprintf ((FILE), "sub"); (PTR) += 3; \
- if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \
- || (PTR)[0] == 'a') (PTR)++; } \
-/* CMP, CMPA, CMPI, CMPM ==> CMP */ \
- else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
- && (PTR)[2] == 'p') \
- { fprintf ((FILE), "cmp"); (PTR) += 3; \
- if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \
- || (PTR)[0] == 'm') (PTR)++; } \
-}
-
-#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
-( fputs ("\tlcomm ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%u\n", (ROUNDED)))
-
-#define USER_LABEL_PREFIX ""
-\f
-/* Override usual definitions of SDB output macros.
- These definitions differ only in the absence of the period
- at the beginning of the name of the directive
- and in the use of `~' as the symbol for the current location. */
-
-#define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
-#define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
-#define PUT_SDB_VAL(a) \
-( fputs ("\tval\t", asm_out_file), \
- output_addr_const (asm_out_file, (a)), \
- fputc (';', asm_out_file))
-
-#define PUT_SDB_DEF(a) \
-do { fprintf (asm_out_file, "\tdef\t"); \
- ASM_OUTPUT_LABELREF (asm_out_file, a); \
- fprintf (asm_out_file, ";"); } while (0)
-
-#define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
-#define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
-#define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
-#define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
-#define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
-
-#define PUT_SDB_TAG(a) \
-do { fprintf (asm_out_file, "\ttag\t"); \
- ASM_OUTPUT_LABELREF (asm_out_file, a); \
- fprintf (asm_out_file, ";"); } while (0)
-
-#define PUT_SDB_BLOCK_START(LINE) \
- fprintf (asm_out_file, \
- "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
- (LINE))
-
-#define PUT_SDB_BLOCK_END(LINE) \
- fprintf (asm_out_file, \
- "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
- (LINE))
-
-#define PUT_SDB_FUNCTION_START(LINE) \
- fprintf (asm_out_file, \
- "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
- (LINE))
-
-#define PUT_SDB_FUNCTION_END(LINE) \
- fprintf (asm_out_file, \
- "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
- (LINE))
-
-#define PUT_SDB_EPILOGUE_END(NAME) \
- fprintf (asm_out_file, \
- "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
- (NAME))
-
-#define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
- sprintf ((BUFFER), "~%dfake", (NUMBER));
-
-/* Define subroutines to call to handle multiply, divide, and remainder.
- Use the subroutines that the 3b1's library provides.
- The `*' prevents an underscore from being prepended by the compiler. */
-
-#define DIVSI3_LIBCALL "*ldiv"
-#define UDIVSI3_LIBCALL "*uldiv"
-#define MODSI3_LIBCALL "*lrem"
-#define UMODSI3_LIBCALL "*ulrem"
-#define MULSI3_LIBCALL "*lmul"
-#define UMULSI3_LIBCALL "*ulmul"
-
-/* Definitions for collect2. */
-
-#define OBJECT_FORMAT_COFF
-#define MY_ISCOFF(magic) \
- ((magic) == MC68KWRMAGIC || (magic) == MC68KROMAGIC || (magic) == MC68KPGMAGIC)
projects / msp430-gcc.git / blobdiff